rhombus

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a parallelogram with four equal sides; an oblique-angled equilateral parallelogram

Learned borrowing from Latin rhombus, from Ancient Greek ῥόμβος (rhómbos, “rhombus, spinning top”). Doublet of rhomb and rhumb.

]# "H is silent when it follows g or r in the same syllable." ghost myrrh rheumatism rhapsody rhinoceros aghast hemorrhage rhyme rhythm Rhine gherkin rhubarb rhombus rhomboid catarrh #[Fourth Month. — Orthography : $b as outlined in the state course of study for Illinois : seventh and eighth years, Elmer W. (Elmer Warren) Cavins
The sun of mid-forenoon cast a golden rhombus on the thick carpet, and through the open windows the autumnal air, stirred by just the suspicion of a breeze, was wafted deliciously cool against his burning cheeks and throbbing temples. — The Promise: A Tale of the Great Northwest, James B. (James Beardsley) Hendryx
But as that old foster-father in the comedy, being now to take his leave doth with a great deal of ceremony, require his foster-child's rhombus, or rattle-top, remembering nevertheless that it is but a rhombus; so here also do thou likewise. — Meditations, Emperor of Rome Marcus Aurelius

rhomb, diamond

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